66985360

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{2221}}^1$

素因数の和:2276

約数の個数: 80

約数和(自身を含む): 173582640

約数和(自身を除く): 106597280

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 29, 40, 52, 58, 65, 80, 104, 116, 130, 145, 208, 232, 260, 290, 377, 464, 520, 580, 754, 1040, 1160, 1508, 1885, 2221, 2320, 3016, 3770, 4442, 6032, 7540, 8884, 11105, 15080, 17768, 22210, 28873, 30160, 35536, 44420, 57746, 64409, 88840, 115492, 128818, 144365, 177680, 230984, 257636, 288730, 322045, 461968, 515272, 577460, 644090, 837317, 1030544, 1154920, 1288180, 1674634, 2309840, 2576360, 3349268, 4186585, 5152720, 6698536, 8373170, 13397072, 16746340, 33492680, 66985360]

約数ペア:

[(1, 66985360), (2, 33492680), (4, 16746340), (5, 13397072), (8, 8373170), (10, 6698536), (13, 5152720), (16, 4186585), (20, 3349268), (26, 2576360), (29, 2309840), (40, 1674634), (52, 1288180), (58, 1154920), (65, 1030544), (80, 837317), (104, 644090), (116, 577460), (130, 515272), (145, 461968), (208, 322045), (232, 288730), (260, 257636), (290, 230984), (377, 177680), (464, 144365), (520, 128818), (580, 115492), (754, 88840), (1040, 64409), (1160, 57746), (1508, 44420), (1885, 35536), (2221, 30160), (2320, 28873), (3016, 22210), (3770, 17768), (4442, 15080), (6032, 11105), (7540, 8884)]